College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 3 - Multiple-Choice Questions - Page 110: 21


The correct answer is: (c)

Work Step by Step

The correct answer is: (c) On the $v_x$ versus time graph, the slope of the graph represents the acceleration $a_x$. Graph (a), graph (b), and graph (d) all show an acceleration that is constant. Graph (c) has a slope that is changing but always positive. Note that the graph continues moving up to the right which means that the slope is positive. Therefore, graph (c) shows a changing acceleration $a_x$ that is always positive.
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